Trimethyl Borate-10 Enriched from China
B(OCH3)3 liquid with boron-10 enrichment, a reagent in organic synthesis and isotopic labeling studies. Under HTS 2845.20.00.00 as an organic compound of enriched boron, per Chapter 28 and 29 note cross-references. Highly flammable, distilled purity.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• UN1993 flammable liquid labeling; include GC-MS isotope confirmation
• TSCA and REACH compliance for chemical substances
• Do not classify under regular esters (2920); isotopic enrichment controls heading